Base | Representation |
---|---|
bin | 111001111111… |
… | …0100111100010 |
3 | 2010012122010121 |
4 | 1303332213202 |
5 | 30240344132 |
6 | 3003350454 |
7 | 516264415 |
oct | 163764742 |
9 | 63178117 |
10 | 30403042 |
11 | 1618628a |
12 | a22242a |
13 | 63b6587 |
14 | 4075b7c |
15 | 2a08497 |
hex | 1cfe9e2 |
30403042 has 8 divisors (see below), whose sum is σ = 45629136. Its totient is φ = 15193332.
The previous prime is 30403039. The next prime is 30403057. The reversal of 30403042 is 24030403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013 + ... + 8359.
It is an arithmetic number, because the mean of its divisors is an integer number (5703642).
Almost surely, 230403042 is an apocalyptic number.
30403042 is a deficient number, since it is larger than the sum of its proper divisors (15226094).
30403042 is a wasteful number, since it uses less digits than its factorization.
30403042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8192.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 30403042 is about 5513.8953562794. The cubic root of 30403042 is about 312.1085599103.
Adding to 30403042 its reverse (24030403), we get a palindrome (54433445).
The spelling of 30403042 in words is "thirty million, four hundred three thousand, forty-two".
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